CA2466704C - Method and system for securely storing and transmitting data by applying a one-time pad - Google Patents

Method and system for securely storing and transmitting data by applying a one-time pad Download PDF

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Publication number
CA2466704C
CA2466704C CA2466704A CA2466704A CA2466704C CA 2466704 C CA2466704 C CA 2466704C CA 2466704 A CA2466704 A CA 2466704A CA 2466704 A CA2466704 A CA 2466704A CA 2466704 C CA2466704 C CA 2466704C
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CA
Canada
Prior art keywords
keystream
ciphertext
data
network
data stream
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2466704A
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English (en)
French (fr)
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CA2466704A1 (en
Inventor
Paul Gleichauf
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Cisco Technology Inc
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Cisco Technology Inc
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Filing date
Publication date
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Publication of CA2466704A1 publication Critical patent/CA2466704A1/en
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Publication of CA2466704C publication Critical patent/CA2466704C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
  • Communication Control (AREA)
  • Information Transfer Systems (AREA)
CA2466704A 2002-02-01 2003-01-29 Method and system for securely storing and transmitting data by applying a one-time pad Expired - Fee Related CA2466704C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/061,901 US20030149869A1 (en) 2002-02-01 2002-02-01 Method and system for securely storing and trasmitting data by applying a one-time pad
US10/061,901 2002-02-01
PCT/US2003/002807 WO2003067808A1 (en) 2002-02-01 2003-01-29 Method and system for securely storing and transmitting data by applying a one-time pad

Publications (2)

Publication Number Publication Date
CA2466704A1 CA2466704A1 (en) 2003-08-14
CA2466704C true CA2466704C (en) 2010-11-02

Family

ID=27658517

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2466704A Expired - Fee Related CA2466704C (en) 2002-02-01 2003-01-29 Method and system for securely storing and transmitting data by applying a one-time pad

Country Status (8)

Country Link
US (1) US20030149869A1 (zh)
EP (2) EP1732259B1 (zh)
CN (1) CN1593033A (zh)
AT (2) ATE337653T1 (zh)
AU (1) AU2003208894B2 (zh)
CA (1) CA2466704C (zh)
DE (2) DE60321838D1 (zh)
WO (1) WO2003067808A1 (zh)

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DE60307787D1 (de) 2006-10-05
EP1470660A1 (en) 2004-10-27
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CA2466704A1 (en) 2003-08-14
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US20030149869A1 (en) 2003-08-07
ATE399406T1 (de) 2008-07-15
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